the president said he wants to make it clear that raising the debt ceiling will not raise -- he warned that if congressional republicans fail to approve legislation to pay america's bills on time, everything from social security checks to veterans benefits could be delayed. >> last time they flirted with this delay our aaa credit rating was downgraded. our business have created the fewest jobs of any month in the past three years. and ironically the whole fiasco actually haded to the deaf -- actually added to the deficit. >> reporter: president obama is reviewing a list of proposals from joe biden about how to reduce gun violence. the two met earlier today to go over the vice president's recommendations over how to tighten tougher gun laws. among the proposals under consideration are a ban on assault weapons and high capacity ammunition clips. here in the bay area gun buy back is scheduled for tomorrow in marin city. the event offers gun owners $200 to turn in their semi automat weapons. and $100 for other guns. the guns can be brought to police stations in novato, san rafael, and poin